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Title: Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells

Abstract

All-inorganic CsPbI3 perovskite has a near-ideal band gap, high thermal stability, and simple material composition, thus presenting a promising option for developing perovskite/Si tandem solar cells. However, CsPbI3 undergoes a rapid phase transition under exposure to moisture and exhibits a significant performance gap relative to other perovskite compounds, particularly in the p-i-n structure favored for perovskite/Si tandems. In this work, we demonstrate highly efficient and stable p-i-n-structured CsPbI3 perovskite solar cells by surface engineering the CsPbI3 layer with oxidized Ti3C2Tx MXene (OMXene) nanoplates via spray coatings. OMXene provides a physical barrier against moisture and improves charge separation at the perovskite-electron transporting layer interface via an enhanced electric field. Consequently, we demonstrated CsPbI3/OMXene-based p-i-n devices with efficiencies of 19.69% for 0.096-cm2 cells and 14.64% for 25-cm2 minimodules. The encapsulated minimodule showed good stability, retaining ~85% of the initial efficiency under simultaneous damp heat (85°C/85% relative humidity) and 1-sun light soaking for over 1,000 h.

Authors:
 [1];  [2];  [3];  [3];  [3];  [4]; ORCiD logo [5];  [5];  [5];  [3]
  1. Korea Univ., Seoul (South Korea); National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center; Tianjin Univ. (China)
  3. Korea Univ., Seoul (South Korea)
  4. National Renewable Energy Lab. (NREL), Golden, CO (United States). Materials Science Center
  5. National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center
Publication Date:
Research Org.:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; National Research Foundation of Korea (NRF)
OSTI Identifier:
1874461
Report Number(s):
NREL/JA-5900-82477
Journal ID: ISSN 2542-4351; MainId:83250;UUID:aae4ff48-c13d-4c43-a511-3dec800f6ac4;MainAdminID:64720
Grant/Contract Number:  
AC36-08GO28308; 2021R1A5A6002853; 2021M3H4A1A03076642
Resource Type:
Accepted Manuscript
Journal Name:
Joule
Additional Journal Information:
Journal Volume: 6; Journal Issue: 7; Journal ID: ISSN 2542-4351
Publisher:
Elsevier - Cell Press
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; CsPbI3; module; MXene; solar cells; surface engineering

Citation Formats

Heo, Jin Hyuck, Zhang, Fei, Park, Jin Kyoung, Joon Lee, Hyong, Lee, David Sunghwan, Heo, Su Jeong, Luther, Joseph M., Berry, Joseph J., Zhu, Kai, and Im, Sang Hyuk. Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells. United States: N. p., 2022. Web. doi:10.1016/j.joule.2022.05.013.
Heo, Jin Hyuck, Zhang, Fei, Park, Jin Kyoung, Joon Lee, Hyong, Lee, David Sunghwan, Heo, Su Jeong, Luther, Joseph M., Berry, Joseph J., Zhu, Kai, & Im, Sang Hyuk. Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells. United States. https://doi.org/10.1016/j.joule.2022.05.013
Heo, Jin Hyuck, Zhang, Fei, Park, Jin Kyoung, Joon Lee, Hyong, Lee, David Sunghwan, Heo, Su Jeong, Luther, Joseph M., Berry, Joseph J., Zhu, Kai, and Im, Sang Hyuk. Tue . "Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells". United States. https://doi.org/10.1016/j.joule.2022.05.013. https://www.osti.gov/servlets/purl/1874461.
@article{osti_1874461,
title = {Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells},
author = {Heo, Jin Hyuck and Zhang, Fei and Park, Jin Kyoung and Joon Lee, Hyong and Lee, David Sunghwan and Heo, Su Jeong and Luther, Joseph M. and Berry, Joseph J. and Zhu, Kai and Im, Sang Hyuk},
abstractNote = {All-inorganic CsPbI3 perovskite has a near-ideal band gap, high thermal stability, and simple material composition, thus presenting a promising option for developing perovskite/Si tandem solar cells. However, CsPbI3 undergoes a rapid phase transition under exposure to moisture and exhibits a significant performance gap relative to other perovskite compounds, particularly in the p-i-n structure favored for perovskite/Si tandems. In this work, we demonstrate highly efficient and stable p-i-n-structured CsPbI3 perovskite solar cells by surface engineering the CsPbI3 layer with oxidized Ti3C2Tx MXene (OMXene) nanoplates via spray coatings. OMXene provides a physical barrier against moisture and improves charge separation at the perovskite-electron transporting layer interface via an enhanced electric field. Consequently, we demonstrated CsPbI3/OMXene-based p-i-n devices with efficiencies of 19.69% for 0.096-cm2 cells and 14.64% for 25-cm2 minimodules. The encapsulated minimodule showed good stability, retaining ~85% of the initial efficiency under simultaneous damp heat (85°C/85% relative humidity) and 1-sun light soaking for over 1,000 h.},
doi = {10.1016/j.joule.2022.05.013},
journal = {Joule},
number = 7,
volume = 6,
place = {United States},
year = {Tue Jun 14 00:00:00 EDT 2022},
month = {Tue Jun 14 00:00:00 EDT 2022}
}

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